why do we need to give up our observations while we are forgind
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We return to upsetting of a cylindrical billet, as shown earlier in Section 6.2. ... distance from the dies, and volume must be conserved, giving the “barreling” observed. ... Inhomogeneous deformation of billet during upsetting, due to friction, leading to a ... Impression die forging has the added benefit that as the die is filled, ...
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